Political Leaders, While Campaigning, Trade Accusations

ISTANBUL—Turkish leaders, campaigning on Thursday, accused one another of provoking unrest after days of protests deepened fears of a resurgence of political violence.

Residents of the central Istanbul neighborhood of Kulaksiz Dortyol, where thousands gathered to mark the burial of a 22-year-old man who was fatally shot late Wednesday, said the clashes between their district, a nationalist stronghold, and leftist groups rekindled...